<template>
<div class='ebook-popup-list' v-show="fontFamilyVisible">
  <div class="ebook-popup-title">
    <div class="ebook-popup-title-icon" @click="hide">
      <span class="icon-down2"></span>
    </div>
    <!-- book.selectFont存在lang中 -->
    <span class="ebook-popup-title-text">{{$t('book.selectFont')}}</span>
  </div>
  <div class="ebook-popup-list-wrapper">
    <div class="ebook-popup-item" v-for="(item, index) in fontFamilyList" :key="index"
             @click="setFontFamily(item.font)">
          <div class="ebook-popup-item-text" :class="{'selected': isSelected(item)}">{{item.font}}</div>
          <div class="ebook-popup-item-check" v-if="isSelected(item)">
            <span class="icon-check"></span>
          </div>
        </div>
  </div>
</div>
</template>

<script>
import { ebookMixin } from '../../utils/mixin'
import { FONT_FAMILY } from '../../utils/book'
import { saveFontFamily } from '../../utils/localstorage'
export default {
  mixins: [ebookMixin],
  data () {
    return {
      fontFamilyList:FONT_FAMILY
    }
  },
  methods: {
    // 隐藏设置字体面板
    hide () {
      this.setFontFamilyVisible(false)
    },
    // 字体选中状态
    isSelected (item) {
      return this.defaultFontFamily === item.font
    },
    // 设置字体
    setFontFamily (font) {
      this.setDefaultFontFamily(font)
      // 字体缓存到localstorage
      saveFontFamily(this.fileName, font)
      console.log(font)
      if (font === 'Default') {
          this.currentBook.rendition.themes.font('Times New Roman')
        } else {
          this.currentBook.rendition.themes.font(font)
        }
      this.setFontFamilyVisible(false)
    }
  },
}
</script>
<style lang='scss' scoped>
@import "../../assets/styles/global";

.ebook-popup-list {
    position: absolute;
    bottom: 0;
    left: 0;
    z-index: 300;
    width: 100%;
    background: white;
    box-shadow: 0 px2rem(-4) px2rem(6) rgba(0, 0, 0, .1);
    .ebook-popup-title {
      position: relative;
      padding: px2rem(15);
      box-sizing: border-box;
      border-bottom: px2rem(1) solid #b8b9bb;
      text-align: center;
      @include center;
      .ebook-popup-title-icon {
        position: absolute;
        left: px2rem(15);
        top: 0;
        height: 100%;
        font-size: px2rem(16);
        font-weight: bold;
        @include center;
      }
      .ebook-popup-title-text {
        font-size: px2rem(14);
        font-weight: bold;
      }
    }
    .ebook-popup-list-wrapper {
      .ebook-popup-item {
        display: flex;
        padding: px2rem(15);
        .ebook-popup-item-text {
          flex: 1;
          font-size: px2rem(14);
          text-align: left;
          &.selected {
            color: #346cb9;
            font-weight: bold;
          }
        }
        .ebook-popup-item-check {
          flex: 1;
          text-align: right;
          font-size: px2rem(14);
          font-weight: bold;
          color: #346cb9;
        }
      }
    }
  }
</style>
